<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>网站建设中</title>
    <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">

</head>
<body>
<div class="container">
    <div class="row">
        <div class="col-md-6">
            <img src="../static/images/building.png" alt="" class="img-responsive">
        </div>
        <div class="col-md-6">

            <span style="line-height: 500px;">网站建设中....</span>
            <a href="{:Url('/')}">返回首页</a>
        </div>
    </div>
</div>
</body>
</html>